C++信息学奥赛一本通-第一部分-基础一-第2章-第1节

C++信息学奥赛一本通-第一部分-基础一-第2章-第1节

2064 交换值-临时变量

#include <iostream>using namespace std;int main() {int a, b;cin >> a >> b;int temp = a;a = b, b = temp;cout << a << " " << b;
}

2065 整数的和

#include <iostream>using namespace std;int main() {int a, b, c;cin >> a >> b >> c;cout << a + b + c;
}

2066 买图书-浮点数指定位数

#include <iostream>using namespace std;int main() {double n, m;cin >> n >> m;double result = n - m * 0.8 ;printf("%.2f", result);
}

1006 A+B问题

#include <iostream>using namespace std;int main() {int a = 0, b = 0;cin >> a >> b;cout << a + b;
}

1007 计算(a+b)^c的值

#include <iostream>using namespace std;int main() {long a, b, c;cin >> a >> b >> c;cout << ( a + b ) * c;
}

1008 计算$\frac{a+b}{c}$的值-丢失精度

#include <iostream>using namespace std;int main() {long a, b, c;cin >> a >> b >> c;cout << ( a + b ) / c;
}

1009 带余除法-取余

#include <iostream>using namespace std;int main() {int a = 0, b = 0;cin >> a >> b;cout << a / b << " " << a % b;
}

1010 计算分数的浮点数值-指定浮点数位数

#include <iostream>using namespace std;int main() {double a = 0, b = 0;cin >> a >> b;double result = a / b;printf("%.9f", result);
}